A power grid partitioning optimization method based on fractal theory

被引：4

作者：

Li, Hongzhong ^{[1
]}

Zhang, Xinyu ^{[1
]}

Han, Wenhua ^{[2
]}

Li, Yingchuang ^{[3
]}

Kang, Aimin ^{[4
]}

机构：

[1] Shanghai Univ Elect Power, Coll Elect Engn, Shanghai, Peoples R China

[2] Shanghai Univ Elect Power, Coll Automat Engn, 2588 Changyang Rd, CN-200090 Shanghai, Peoples R China

[3] State Grid Zhejiang Elect Power Corp, Shengzhou Power Supply Co, Shengzhou, Peoples R China

[4] State Grid Liaoning Elect Power Corp, Fuxin Power Supply Co, Fuxin, Peoples R China

来源：

INTERNATIONAL TRANSACTIONS ON ELECTRICAL ENERGY SYSTEMS | 2019年 / 29卷 / 03期

基金：

中国国家自然科学基金;

关键词：

fractal theory; power grids topological structures; power-grid-partitioning; quantization method; NETWORK; IMPLEMENTATION;

D O I：

10.1002/etep.2741

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

It is important to identify characteristics of power grid structures in many applications. In a power system, large grids are divided into areas to meet planning and control requirements. Topological structures are considered in partitioning methods to guarantee the reliability and extendibility of power grids. However, the representation of structures is complex. To apply topological structures efficiently, this paper presents a new method for quantizing topological structures of power grids based on fractal theory. The fractal property of power grids is proved, and the fractal dimension of power grids is measured by a box-counting algorithm. A fractal dimension-based prediction method of short-circuit current is proposed to identify problem regions quickly. Then a power-grid-partitioning optimization method based on the quantization results of power grids is introduced for power grids. Finally, the IEEE 118-bus test system and an actual power grid in China are employed to illustrate the validity of the proposed method.

引用

页数：14

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